Discuss what it is, how to treat it, why it is not recognized with modern medicine. We discuss the physiology of the thyroid, how it works, and what it really does. We discuss in depth the 5 step process of the negative feedback loop that determines how the thyroid works. We talk about the rampant epidemic of autoimmune thyroiditis (Hashimoto's disease). We talk about the limited testing modern medicine performs and the components of thyroid testing that are necessary to determine proper thyroid function. This is an in-depth 3 part series addressing a very real conditions affecting many Americans.